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        \textbf{Math\textit{\textcolor{DodgerBlue2}{P}}robs}};
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      \begin{minipage}{10cm}
        \fontsize{10pt}{10pt}\selectfont \textcolor{Azure1}
        {Copyright \copyright\ 2024 \\
          \textbf{Liu One} \\ \emph{All rights reserved.}}
      \end{minipage} };
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    \draw (13,6) node {
      \begin{minipage}{6cm}
        \footnotesize \textit{——最简洁的命题，最复杂的证明}
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      \tkzDefTriangle(A,A_1)   \tkzGetPoint{A_2}
      \tkzDefTriangle(B,B_1)   \tkzGetPoint{B_2}
      \tkzDefTriangle(C,C_1)   \tkzGetPoint{C_2}
      \tkzDefMidPoint(A_2,B_1) \tkzGetPoint{M_1}
      \tkzDefMidPoint(B_2,C_1) \tkzGetPoint{M_2}
      \tkzDefMidPoint(C_2,A_1) \tkzGetPoint{M_3}
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\end{inctext}
\twocolumn
